Title rated 4.65 out of 5 stars, based on 3 ratings(3 ratings)
Book, 2002
Current format, Book, 2002, , Available now.
Book, 2002
Current format, Book, 2002, , Available now. Offered in 0 more formats
Describes work, machines, gravity, friction, wheels and axles, and gears in everyday surroundings, and presents experiments that explain how they work.
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